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Comment

I guess the mistake in the article is that it calls it 'suspend-resume' when it should be called hibernate (or suspend to disk vs suspend to ram).

Suspend to ram is super fast, even on my 2004 old laptop. Hiberation, now that is slow, it first does a near full suspend, then writes the ram to swap. Booting takes longer, It has to start the bios as normal, load the kernel as normal and that then checks for the presence of the ram dump in swap and loads it.

So speeding up hibernation can be quite interesting if that's accelerated, but only partial usefull. Suspend (to ram) is fast as it is, so 'who cares'.

Comment

I guess the mistake in the article is that it calls it 'suspend-resume' when it should be called hibernate (or suspend to disk vs suspend to ram).

Yeah, as far as I can tell, this is suspend-to-disk, but mostly implemented at a BIOS level instead of OS. So, like hibernate it's a complete power off rather than a sleep. But presumably the BIOS support speeds things up a lot - presumably skipping boot loaders and stuff...

Comment

I guess Rapid Start woudn't allow this as it is at the bios level, but with normal hibernation you still get the bootloader where you can pick what to boot in to. Having both a Windows and Linux installation hibernated works fine, but i think you might get some issues with two linux systems that share swap.